Jib Telltales When Running
Tom Lochhaas
The jib can be trimmed using the telltales and most points of sail"but not when running downwind.
telltale - A small line free to flow in the direction of the breeze. It is attached to sails, stays in the slot, and in other areas, enabling the helmsman and crew to see how the wind is flowing.
telltales
Short pieces of yarn attached to the shrouds, or the sails. At the shrouds they indicate the direction of the wind (the apparent wind), and at the sails they help to check the air flow over the sail, so that proper trimming is easier.
Telltale- Any lightweight device attached to mast or shrouds to indicate apparent wind.
Tenon- The bottom or heel of the mast that fits into the step.
Tiller- A bar connected to the rudder for steering.
telltale - A wind-direction indicator; a windsock; it may be mounted on the mast, rigging or sail.
tend - To attend to a sheet and watch it to see if it requires hauling in or slacking out ; generally to attend to any work on board ship.
telltale, woolly
A short length of yarn or ribbon on a stay or sail that indicates wind direction and assists in sail trim. Telltale compass, see compass.
tender ...
telltales: short pieces of yarn, ribbon, thread, or tape attached to the sail which are used to show the air flow over the sail; or when attached to the shroud indicate apparent wind direction.
Visible signs of trim are luffing, excessive heeling, and the flow of air past telltales.
SAILBOAT: Boat propelled by wind.
SAND BAR: An area in shallow water where wave or current action has created a small, long hill of sand.
tang A fitting, often of sheet metal, used to attach standing rigging to a spar, or to the hull telltales Short pieces of yarn, ribbon, thread, or tape attached to the sail and used to show the air flow over the sail tender, dinghy, ...
Cigarette smoke, telltales, and the electronic wind direction indicators of boats all show the apparent-wind direction.
The combination of the true wind and the wind caused by the boat's own speed. This is the wind felt on the boat, as well as the one shown by the telltales.
arc of visibility ...
The position of the sails relative to the wind and desired point of sail. Sails that are not trimmed properly may not operate efficiently. Visible signs of trim are luffing, excessive heeling, and the flow of air past telltales. Also see sail shape.
 See also: Forward, Deck, Starboard, Point, Boom
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